package com.heima.user.service.impl;

import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.common.enums.AppHttpCodeEnum;
import com.heima.model.user.dtos.LoginDto;
import com.heima.model.user.pojos.ApUser;
import com.heima.user.mapper.ApUserMapper;
import com.heima.user.service.ApUserService;
import com.heima.utils.common.AppJwtUtil;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.StringUtils;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.DigestUtils;

import java.util.HashMap;
import java.util.Map;
import java.util.logging.Handler;

@Service
@Slf4j
@Transactional
public class ApUserServiceImpl extends ServiceImpl<ApUserMapper, ApUser> implements ApUserService {
    /*
    app登录功能
     */
    public ResponseResult login(LoginDto dto){
        //1整成登录 用户名和密码
        if(StringUtils.isNotBlank(dto.getPhone())&&StringUtils.isNotBlank(dto.getPassword())){
            //1.1根据手机号查询用户信息
            ApUser dbUser = getOne(Wrappers.<ApUser>lambdaQuery().eq(ApUser::getPhone,dto.getPhone()));
            System.out.println("hello");
            System.out.println("查到数据为"+dbUser);
            if(dbUser==null){
                return ResponseResult.errorResult(AppHttpCodeEnum.DATA_NOT_EXIST,"用户不存在");
            }
            //1.2比对密码
            String salt = dbUser.getSalt();
            String password = dto.getPassword();//我真他妈傻逼，这里一直写成dbUser.getPassword应该写成dto的
            String pwd = DigestUtils.md5DigestAsHex((password + salt).getBytes());
            if(!pwd.equals(dbUser.getPassword())){
                return ResponseResult.errorResult(AppHttpCodeEnum.LOGIN_PASSWORD_ERROR);
            }
            //1.3返回数据 jwt user
            String token = AppJwtUtil.getToken(dbUser.getId().longValue());
            Map<String,Object> map=new HashMap<>();
            map.put("token",token);
            dbUser.setPassword("");
            dbUser.setSalt("");
            map.put("user",dbUser);
            return ResponseResult.okResult(map);
        }
        else {
            //2游客登录
            System.out.println("游客登录");
            Map<String,Object> map=new HashMap<>();
            map.put("token",AppJwtUtil.getToken(0L));
            return ResponseResult.okResult(map);
        }
    }

}
